Which of the following is an example of a private effort to help the environment? * A. An individual donates money for a park.
B. A business recycles its waste.
C. A nonprofit group buys land for preservation.
D. all of the above

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.

Transmission electron microscope are best for viewing a) microorganisms in pond water b) internal organs of a mouse c)internal structures of a cell d) surface features of a specimen

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays